Introduction to Geology
EASC 116

Geology of Illinois Online Library

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General Sites of Interest

Sherlock on the Rocks

Illinois Geologic Survey

Topographic Maps

How to Read Illinois Topographic Maps

Geologic History of Illinois

Build Illinois: The Last 500 Years

Depositional History of the Pennsylvanian Rocks in Illinois

Quaternary Glaciations in Illinois

Minerals

Mineral Resources in Illinois

Fluorite - Our State Mineral

Geodes

Fossils

Fossils of Illinois

Trilobites

Illinois State Fossil - The Tully Monster

Groundwater

The Mahomet Aquifer - Read article by Panno and Korab

Karst Landscape of Illinois

Caves in Illinois

Fossil Fuels

Oil Fields in Illinois

Coal—Illinois' Black Treasure

Structural Geology

Structural Features of Illinois

Standard Rock Symbols Used on Geologic Maps in Illinois

Geologic Map of Illinois

Illinois River

Water Quality in the Lower Illinois River Basin

Flooding Data

Earthquakes in Illinois

Northern Illinois Earthqaukes

Damaging Earthquakes In Illinois

Earthquake Occurrence In Illinois

Plate Tectonics

Plate Tectonics:  Mystery Solved

Understanding Plate Motions

Ice Age Geology

Ice Age Exhibit From the Illinois State Museum

Pleistocene Glaciations in Illinois

Glacial Erratics

End Moraines

Ancient Dust Storms in Illinois